archly

/ˈɑrtʃli/
adverb
  1. In a way that is knowingly playful, teasing, or sly.
    • She smiled archly when he asked if she had planned the surprise.
    • The teacher looked archly at the student who claimed the dog ate his homework.
    • "I might know a little more than I'm telling," he said archly.
Antonyms
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